Gets the current URLs of all active browser sessions. Returns a mapping of session IDs to their current URLs.
AI agents call browserbase_stagehand_get_all_urls to retrieve information from Browserbase MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves information about active sessions without modifying any state, creating, deleting, or executing actions. It is a query operation that has minimal blast radius—an AI agent calling this tool can only learn which URLs are currently loaded in active sessions, posing no risk of data destruction, financial impact, or unintended execution. Classification as Read is appropriate.
From the tool's definition Tool description states it 'Gets the current URLs of all active browser sessions' and 'Returns a mapping of session IDs to their current URLs.' The verb 'Gets' and 'Returns' indicate read-only data retrieval with no modification or side effects.
Attacks that exploit this kind of access
Gets the current URLs of all active browser sessions. Returns a mapping of session IDs to their current URLs. It is categorised as a Read tool in the Browserbase MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Browserbase MCP Server MCP server in PolicyLayer and add a rule for browserbase_stagehand_get_all_urls: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Browserbase MCP Server. Nothing to install.
browserbase_stagehand_get_all_urls is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the browserbase_stagehand_get_all_urls rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for browserbase_stagehand_get_all_urls. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
browserbase_stagehand_get_all_urls is provided by the Browserbase MCP Server MCP server (ronsdad/mcp-server-browserbase). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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